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AMD Radeon HD 6850M

Graphics Processor
Granville
Cores
800
TMUs
40
ROPs
16
Memory Size
1024 MB
Memory Type
GDDR3
Bus Width
128 bit
The Radeon HD 6850M was a graphics card by AMD, launched in January 2011. Built on the 40 nm process, and based on the Granville graphics processor, in its Granville PRO variant, the card supports DirectX 11.2. The Granville graphics processor is an average sized chip with a die area of 166 mm² and 1,040 million transistors. It features 800 shading units, 40 texture mapping units and 16 ROPs. AMD has placed 1,024 MB GDDR3 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 675 MHz, memory is running at 800 MHz.
Its power draw is rated at 50 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Radeon HD 6850M is connected to the rest of the system using a PCI-Express 2.0 x16 interface.

Graphics Processor

GPU Name
Granville
GPU Variant
Granville PRO
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
1,040 million
Die Size
166 mm²

Mobile Graphics

Release Date
Jan 4th, 2011
Generation
Vancouver
(HD 6800M)
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Relative Performance

13%
GeForce 210
16%
GeForce 9400 GT
20%
Radeon HD 4550
26%
Radeon HD 5450
30%
Radeon HD 6450
32%
GeForce GT 520
40%
GeForce GT 220
52%
GeForce GT 430
52%
Radeon HD 5570
57%
Radeon HD 4670
60%
GeForce GT 440
61%
GeForce GT 240
71%
GeForce 9600 GT
75%
Radeon HD 5670
80%
GeForce GT 640
83%
GeForce 9800 GT
86%
Radeon HD 6670
89%
Radeon HD 4830
95%
Radeon HD 4770
100%
Radeon HD 6850M
100%
Radeon HD 4850
103%
GeForce GTS 250
106%
GeForce GTS 450
109%
Radeon HD 5750
125%
Radeon HD 7750
126%
Radeon HD 5770
128%
GeForce GTX 260
130%
Radeon HD 4870
130%
Radeon Vega 8
131%
GeForce GTX 550 Ti
133%
GeForce GTX 650
140%
Radeon HD 5830
147%
Radeon HD 6790
150%
Radeon HD 4890
155%
GeForce GTX 460
157%
Radeon RX Vega 11
158%
GeForce GT 1030
160%
GeForce GTX 275
160%
Radeon HD 7770 GHz Edition
160%
GeForce GTX 280
164%
GeForce GTX 465
171%
Radeon HD 6850
175%
GeForce GTX 285
188%
Radeon HD 5850
191%
GeForce GTX 650 Ti
191%
Radeon HD 7790
199%
Radeon RX 550
199%
GeForce GTX 470
207%
Radeon HD 6870
221%
Radeon HD 5870
227%
GeForce GTX 560 Ti
229%
Radeon HD 4870 X2
233%
GeForce GTX 750 Ti
234%
Radeon HD 6950
242%
GeForce GTX 295
245%
GeForce GTX 650 Ti Boost
247%
Radeon HD 7850
251%
GeForce GTX 480
263%
Radeon HD 6970
268%
Radeon R7 265
272%
Radeon RX 460
272%
Radeon R7 370
273%
GeForce GTX 660
274%
GeForce GTX 570
279%
Radeon RX 560
296%
GeForce GTX 950
298%
Radeon HD 7870 GHz Edition
306%
Radeon R9 270X
309%
GeForce GTX 660 Ti
311%
GeForce GTX 580
313%
GeForce GTX 1050
314%
Radeon HD 7950
320%
Radeon HD 5970
329%
GeForce GTX 760
354%
GeForce GTX 670
364%
GeForce GTX 960
373%
Radeon R9 380
375%
Radeon R9 285
379%
Radeon HD 7970
383%
GeForce GTX 680
392%
GeForce GTX 1050 Ti
402%
GeForce GTX 770
411%
Radeon HD 6990
421%
Radeon R9 280X
427%
GeForce GTX 590
427%
Radeon HD 7970 GHz Edition
473%
GeForce GTX 780
490%
GeForce GTX 1650
521%
Radeon RX 470
528%
Radeon R9 290
557%
Radeon RX 570
563%
Radeon R9 390
566%
Radeon R9 290X
574%
GeForce GTX 970
582%
GeForce GTX TITAN
589%
GeForce GTX 780 Ti
598%
Radeon R9 390X
600%
Radeon HD 7990
603%
Radeon RX 480
608%
GeForce GTX 690
641%
Radeon RX 580
654%
GeForce GTX 980
663%
Radeon R9 FURY
663%
GeForce GTX 1060 6 GB
692%
Radeon RX 590
729%
Radeon R9 295X2
733%
GeForce GTX 1660
742%
Radeon R9 FURY X
754%
GeForce GTX 980 Ti
774%
GeForce GTX TITAN X
842%
GeForce GTX 1660 Ti
842%
GeForce GTX 1070
896%
Radeon RX Vega 56
950%
GeForce GTX 1070 Ti
977%
Radeon RX Vega 64
991%
GeForce GTX 1080
991%
GeForce RTX 2060
1032%
Radeon RX 5700
1113%
GeForce RTX 2060 SUPER
1154%
GeForce RTX 2070
1181%
Radeon RX 5700 XT
1195%
Radeon VII
1226%
TITAN X Pascal
1263%
GeForce GTX 1080 Ti
1276%
GeForce RTX 2070 SUPER
1358%
GeForce RTX 2080
1439%
GeForce RTX 2080 SUPER
1588%
GeForce RTX 2080 Ti
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
675 MHz
Memory Clock
800 MHz
1600 MHz effective

Memory

Memory Size
1024 MB
Memory Type
GDDR3
Memory Bus
128 bit
Bandwidth
25.60 GB/s

Render Config

Shading Units
800
TMUs
40
ROPs
16
Compute Units
10
L1 Cache
8 KB (per CU)
L2 Cache
256 KB

Theoretical Performance

Pixel Rate
10.80 GPixel/s
Texture Rate
27.00 GTexel/s
FP32 (float) performance
1,080 GFLOPS

Board Design

TDP
50 W
Outputs
No outputs

Graphics Features

DirectX
11.2 (11_0)
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Shader Model
5.0

Card Notes

Memory Variant: 2GB

Granville GPU Notes

Architecture Codename: Evergreen
Chip Variant: Juniper
Graphics/Compute: GFX4
Display Core Engine: 4.0
Unified Video Decoder: 2.3

Retail boards based on this design (2)

Name GPU Clock Memory Clock Other Changes
AMD Radeon HD 6850M 575 MHz 900 MHz GDDR5
AMD Radeon HD 6850M 2 GB 675 MHz 800 MHz 2 GB