Home GPU Comparison AMD Radeon HD 6970 X2 vs ATI Radeon HD 5950

AMD Radeon HD 6970 X2 vs ATI Radeon HD 5950

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 1024MB VRAM ATI Radeon HD 5950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 X2 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (176.0GB/s vs 128.0GB/s)
96 additional rendering cores
ATI Radeon HD 5950 's Advantages
Lower TDP (302W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 6970 X2 +29%
2.703 TFLOPS
ATI Radeon HD 5950
2.088 TFLOPS
VS

Graphics Card

Unknown
Release Date
Unknown
Northern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
176.0GB/s
Bandwidth
128.0GB/s

Render Config

24
Compute Units
18
-
-
-
1536
Shading Units
1440
96
TMUs
72
32
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

28.16 GPixel/s
Pixel Rate
23.20 GPixel/s
84.48 GTexel/s
Texture Rate
52.20 GTexel/s
-
-
-
2.703 TFLOPS
FP32 (float)
2.088 TFLOPS
-
-
-

Board Design

375W
TDP
302W
750 W
Suggested PSU
700 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
3x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

Antilles
GPU Name
Hemlock
Antilles XT (215-0807027)
GPU Variant
Hemlock PRO
TeraScale 3
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.64 billion
Transistors
2.154 billion
389 mm²
Die Size
334 mm²

Graphics Features

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

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