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AMD Radeon R6 M255DX

Graphics Processor
Jet
Cores
320
TMUs
20
ROPs
8
Memory Size
System Shared
Memory Type
System Shared
Bus Width
System Shared
GPU Chip
GPU
The Radeon R6 M255DX was a mobile integrated graphics solution by AMD, launched on January 7th, 2014. Built on the 28 nm process, and based on the Jet graphics processor, in its Jet PRO variant, the device supports DirectX 12. Even though it supports DirectX 12, the feature level is only 11_1, which can be problematic with newer DirectX 12 titles. Unlike the fully unlocked Radeon R6 M335DX, which uses the same GPU but has all 384 shaders enabled, AMD has disabled some shading units on the Radeon R6 M255DX to reach the product's target shader count. It features 320 shading units, 20 texture mapping units, and 8 ROPs. The GPU is operating at a frequency of 780 MHz, which can be boosted up to 855 MHz.
Its power draw is not exactly known.

Graphics Processor

GPU Name
Jet
GPU Variant
Jet PRO
(216-0856040)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
690 million
Density
12.3M / mm²
Die Size
56 mm²
Chip Package
FCBGA-962

Integrated Graphics

Release Date
Jan 7th, 2014
Generation
Gem System Hybrid
(Rx M200)
Production
End-of-life
Bus Interface
IGP

Relative Performance

GeForce 210
15%
GeForce 9400 GT
20%
Radeon HD 4550
24%
Radeon HD 5450
31%
Radeon HD 6450
36%
GeForce GT 520
38%
GeForce GT 220
48%
GeForce GT 430
62%
Radeon HD 5570
63%
Radeon HD 4670
68%
GeForce GT 440
72%
GeForce GT 240
74%
GeForce 9600 GT
85%
Radeon HD 5670
90%
GeForce GT 640
96%
GeForce 9800 GT
100%
Radeon R6 M255DX
100%
Radeon HD 6670
104%
Radeon HD 4830
107%
Radeon HD 4770
114%
Radeon HD 4850
120%
GeForce GTS 250
123%
GeForce GTS 450
127%
Radeon HD 5750
131%
Radeon HD 7750
150%
Radeon HD 5770
151%
GeForce GTX 260
154%
Radeon HD 4870
155%
Radeon Vega 8
156%
GeForce GTX 550 Ti
157%
GeForce GTX 650
159%
Radeon HD 5830
168%
Radeon HD 6790
177%
Radeon HD 4890
180%
GeForce GTX 460
186%
Radeon RX Vega 11
188%
GeForce GT 1030
190%
GeForce GTX 275
191%
Radeon HD 7770 GHz Edition
192%
GeForce GTX 280
192%
GeForce GTX 465
196%
Radeon HD 6850
205%
GeForce GTX 285
209%
Radeon HD 5850
225%
GeForce GTX 650 Ti
229%
Radeon HD 7790
229%
Radeon RX 550
238%
GeForce GTX 470
239%
Radeon HD 6870
248%
Radeon HD 5870
264%
GeForce GTX 560 Ti
273%
Radeon HD 4870 X2
274%
GeForce GTX 750 Ti
279%
Radeon HD 6950
280%
GeForce GTX 295
290%
GeForce GTX 650 Ti Boost
294%
Radeon HD 7850
296%
GeForce GTX 480
301%
Radeon HD 6970
315%
Radeon R7 265
321%
Radeon RX 460
326%
Radeon R7 370
326%
GeForce GTX 660
327%
GeForce GTX 570
328%
Radeon RX 560
334%
GeForce GTX 950
354%
Radeon HD 7870 GHz Edition
357%
Radeon R9 270X
366%
GeForce GTX 660 Ti
371%
GeForce GTX 580
372%
GeForce GTX 1050
375%
Radeon HD 7950
376%
GeForce GTX 1630
383%
Radeon HD 5970
384%
GeForce GTX 760
394%
GeForce GTX 670
424%
GeForce GTX 960
436%
Radeon R9 380
447%
Radeon R9 285
449%
Radeon HD 7970
454%
GeForce GTX 680
459%
GeForce GTX 1050 Ti
469%
GeForce GTX 770
481%
Radeon HD 6990
493%
Radeon R9 280X
504%
GeForce GTX 590
512%
Radeon HD 7970 GHz Edition
512%
GeForce GTX 780
567%
Arc A380
568%
Radeon RX 6400
576%
GeForce GTX 1650
587%
Radeon RX 470
624%
Radeon R9 290
633%
Radeon RX 570
667%
Radeon R9 390
675%
Radeon R9 290X
679%
GeForce GTX 970
688%
GeForce GTX TITAN
697%
GeForce GTX 780 Ti
706%
Radeon R9 390X
716%
Radeon HD 7990
719%
Radeon RX 480
723%
GeForce GTX 690
729%
GeForce GTX 1060 6 GB
748%
Radeon RX 5500 OEM
759%
Radeon RX 580
768%
Radeon RX 5500 XT
774%
Radeon RX 6500 XT
781%
GeForce GTX 980
784%
GeForce GTX 1650 SUPER
791%
Radeon R9 FURY
794%
Radeon RX 590
829%
Radeon R9 295X2
873%
GeForce GTX 1660
878%
Radeon R9 FURY X
888%
GeForce GTX 980 Ti
903%
GeForce GTX TITAN X
927%
GeForce GTX 1660 SUPER
955%
GeForce GTX 1070
1008%
GeForce GTX 1660 Ti
1008%
GeForce RTX 3050 8 GB
1024%
Radeon RX Vega 56
1073%
GeForce GTX 1070 Ti
1138%
Radeon RX 5600 XT
1155%
Radeon RX Vega 64
1171%
GeForce GTX 1080
1187%
GeForce RTX 2060
1187%
Radeon RX 5700
1236%
Arc A580
1239%
Radeon RX 6600
1290%
GeForce RTX 2060 SUPER
1333%
GeForce RTX 2070
1351%
Radeon RX 5700 XT
1352%
GeForce RTX 3060 12 GB
1378%
Arc A750
1423%
Radeon VII
1431%
TITAN X Pascal
1468%
Radeon RX 6600 XT
1483%
GeForce GTX 1080 Ti
1512%
Arc A770
1527%
GeForce RTX 2070 SUPER
1529%
Radeon RX 6650 XT
1608%
Radeon RX 7600
1626%
GeForce RTX 4060
1633%
GeForce RTX 2080
1644%
Radeon RX 7600 XT
1678%
GeForce RTX 2080 SUPER
1724%
GeForce RTX 3060 Ti
1766%
Radeon RX 6700 XT
1828%
Radeon RX 6750 XT
1940%
GeForce RTX 4060 Ti 8 GB
1961%
GeForce RTX 2080 Ti
1976%
GeForce RTX 3070
2068%
GeForce RTX 3070 Ti
2213%
Radeon RX 7700 XT
2236%
Radeon RX 6800
2280%
GeForce RTX 4070
2526%
Radeon RX 6800 XT
2589%
GeForce RTX 3080
2688%
Radeon RX 7800 XT
2715%
Radeon RX 6900 XT
2790%
GeForce RTX 4070 SUPER
2930%
Radeon RX 7900 GRE
2986%
GeForce RTX 3080 Ti
3011%
Radeon RX 6950 XT
3014%
GeForce RTX 3090
3067%
GeForce RTX 4070 Ti
3145%
GeForce RTX 4070 Ti SUPER
3435%
Radeon RX 7900 XT
3528%
GeForce RTX 3090 Ti
3558%
GeForce RTX 4080
3995%
GeForce RTX 4080 SUPER
4055%
Radeon RX 7900 XTX
4093%
GeForce RTX 4090
5019%
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

Base Clock
780 MHz
Boost Clock
855 MHz
Memory Clock
System Shared

IGP Variants

  • A10-7300: 855 MHz

Memory

Memory Size
System Shared
Memory Type
System Shared
Memory Bus
System Shared
Bandwidth
System Dependent

Render Config

Shading Units
320
TMUs
20
ROPs
8
Compute Units
5
L1 Cache
16 KB (per CU)
L2 Cache
128 KB

Theoretical Performance

Pixel Rate
6.840 GPixel/s
Texture Rate
17.10 GTexel/s
FP32 (float)
547.2 GFLOPS
FP64 (double)
34.20 GFLOPS (1:16)

Board Design

Slot Width
IGP
TDP
unknown
Outputs
Portable Device Dependent

Graphics Features

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
2.1 (1.2)
Vulkan
1.2.170
Shader Model
6.5 (5.1)

Jet GPU Notes

Generation: Sea Islands
Desktop Variant: Hainan
Mobile Variant: Sun / Exo / Banks
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: No Support
Unified Video Decoder: No Support
Video Compression Engine: No Support
CLRX: GCN 1.0
Apr 16th, 2024 06:31 EDT change timezone

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