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AMD Radeon HD 7550M

Graphics Processor
Thames
Cores
400
TMUs
20
ROPs
8
Memory Size
1024 MB
Memory Type
DDR3
Bus Width
64 bit
The Radeon HD 7550M was a graphics card by AMD, launched in January 2012. Built on the 40 nm process, and based on the Thames graphics processor, in its Thames LP variant, the card supports DirectX 11.2. The Thames graphics processor is an average sized chip with a die area of 104 mm² and 716 million transistors. Unlike the fully unlocked Radeon HD 6570, which uses the same GPU but has all 480 shaders enabled, AMD has disabled some shading units on the Radeon HD 7550M to reach the product's target shader count. It features 400 shading units, 20 texture mapping units and 8 ROPs. AMD has placed 1,024 MB DDR3 memory on the card, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 450 MHz, which can be boosted up to 550 MHz, memory is running at 900 MHz.
Its power draw is rated at 14 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Radeon HD 7550M is connected to the rest of the system using a PCI-Express 2.0 x16 interface.

Graphics Processor

GPU Name
Thames
GPU Variant
Thames LP
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
716 million
Die Size
104 mm²

Graphics Card

Release Date
Jan 7th, 2012
Generation
London
(HD 7500M)
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Relative Performance

24%
GeForce 210
31%
GeForce 9400 GT
38%
Radeon HD 4550
49%
Radeon HD 5450
57%
Radeon HD 6450
60%
GeForce GT 520
75%
GeForce GT 220
97%
GeForce GT 430
99%
Radeon HD 5570
100%
Radeon HD 7550M
107%
Radeon HD 4670
113%
GeForce GT 440
116%
GeForce GT 240
133%
GeForce 9600 GT
141%
Radeon HD 5670
151%
GeForce GT 640
156%
GeForce 9800 GT
163%
Radeon HD 6670
168%
Radeon HD 4830
179%
Radeon HD 4770
189%
Radeon HD 4850
193%
GeForce GTS 250
199%
GeForce GTS 450
206%
Radeon HD 5750
235%
Radeon HD 7750
237%
Radeon HD 5770
241%
GeForce GTX 260
244%
Radeon HD 4870
244%
Radeon Vega 8
247%
GeForce GTX 550 Ti
249%
GeForce GTX 650
264%
Radeon HD 5830
277%
Radeon HD 6790
282%
Radeon HD 4890
292%
GeForce GTX 460
294%
Radeon RX Vega 11
297%
GeForce GT 1030
300%
GeForce GTX 275
301%
Radeon HD 7770 GHz Edition
302%
GeForce GTX 280
308%
GeForce GTX 465
322%
Radeon HD 6850
329%
GeForce GTX 285
352%
Radeon HD 5850
359%
GeForce GTX 650 Ti
359%
Radeon HD 7790
374%
Radeon RX 550
375%
GeForce GTX 470
388%
Radeon HD 6870
415%
Radeon HD 5870
428%
GeForce GTX 560 Ti
430%
Radeon HD 4870 X2
438%
GeForce GTX 750 Ti
440%
Radeon HD 6950
455%
GeForce GTX 295
461%
GeForce GTX 650 Ti Boost
464%
Radeon HD 7850
472%
GeForce GTX 480
494%
Radeon HD 6970
504%
Radeon R7 265
512%
Radeon RX 460
512%
Radeon R7 370
513%
GeForce GTX 660
515%
GeForce GTX 570
524%
Radeon RX 560
556%
GeForce GTX 950
561%
Radeon HD 7870 GHz Edition
575%
Radeon R9 270X
582%
GeForce GTX 660 Ti
584%
GeForce GTX 580
589%
GeForce GTX 1050
590%
Radeon HD 7950
602%
Radeon HD 5970
619%
GeForce GTX 760
666%
GeForce GTX 670
683%
GeForce GTX 960
701%
Radeon R9 380
705%
Radeon R9 285
712%
Radeon HD 7970
719%
GeForce GTX 680
736%
GeForce GTX 1050 Ti
755%
GeForce GTX 770
773%
Radeon HD 6990
791%
Radeon R9 280X
803%
GeForce GTX 590
803%
Radeon HD 7970 GHz Edition
890%
GeForce GTX 780
921%
GeForce GTX 1650
979%
Radeon RX 470
993%
Radeon R9 290
1046%
Radeon RX 570
1059%
Radeon R9 390
1065%
Radeon R9 290X
1079%
GeForce GTX 970
1093%
GeForce GTX TITAN
1108%
GeForce GTX 780 Ti
1124%
Radeon R9 390X
1129%
Radeon HD 7990
1134%
Radeon RX 480
1144%
GeForce GTX 690
1205%
Radeon RX 580
1230%
GeForce GTX 980
1246%
Radeon R9 FURY
1246%
GeForce GTX 1060 6 GB
1301%
Radeon RX 590
1370%
Radeon R9 295X2
1378%
GeForce GTX 1660
1394%
Radeon R9 FURY X
1418%
GeForce GTX 980 Ti
1455%
GeForce GTX TITAN X
1582%
GeForce GTX 1660 Ti
1582%
GeForce GTX 1070
1684%
Radeon RX Vega 56
1786%
GeForce GTX 1070 Ti
1837%
Radeon RX Vega 64
1863%
GeForce GTX 1080
1863%
GeForce RTX 2060
1939%
Radeon RX 5700
2092%
GeForce RTX 2060 SUPER
2169%
GeForce RTX 2070
2220%
Radeon RX 5700 XT
2246%
Radeon VII
2304%
TITAN X Pascal
2373%
GeForce GTX 1080 Ti
2399%
GeForce RTX 2070 SUPER
2552%
GeForce RTX 2080
2986%
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
450 MHz
Boost Clock
550 MHz
Memory Clock
900 MHz
1800 MHz effective

Memory

Memory Size
1024 MB
Memory Type
DDR3
Memory Bus
64 bit
Bandwidth
14.40 GB/s

Render Config

Shading Units
400
TMUs
20
ROPs
8
Compute Units
5

Theoretical Performance

Pixel Rate
4.400 GPixel/s
Texture Rate
11.00 GTexel/s
FP32 (float) performance
440.0 GFLOPS

Board Design

TDP
14 W
Outputs
No outputs

Graphics Features

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

Thames GPU Notes

Architecture Codename: Northern Islands
Chip Variant: Turks
Graphics/Compute: GFX4
Display Core Engine: 5.0
Unified Video Decoder: 3.1

Retail boards based on this design (1)

Name GPU Clock Boost Clock Memory Clock Other Changes
AMD Radeon HD 7550M 450 MHz 550 MHz 800 MHz GDDR5