Home GPU Comparison AMD Radeon HD 8970 OEM vs AMD Radeon HD 6970 X2

AMD Radeon HD 8970 OEM vs AMD Radeon HD 6970 X2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8970 OEM and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970 OEM 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (264.0GB/s vs 176.0GB/s)
512 additional rendering cores
Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 8970 OEM +40%
3.789 TFLOPS
Radeon HD 6970 X2
2.703 TFLOPS
VS

Graphics Card

Jan 2013
Release Date
Unknown
Sea Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

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

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
264.0GB/s
Bandwidth
176.0GB/s

Render Config

32
Compute Units
24
-
-
-
2048
Shading Units
1536
128
TMUs
96
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

29.60 GPixel/s
Pixel Rate
28.16 GPixel/s
118.4 GTexel/s
Texture Rate
84.48 GTexel/s
-
-
-
3.789 TFLOPS
FP32 (float)
2.703 TFLOPS
947.2 GFLOPS
FP64 (double)
-

Board Design

250W
TDP
375W
600 W
Suggested PSU
750 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
3x 8-pin

Graphics Processor

Tahiti
GPU Name
Antilles
Tahiti XT (215-0821060)
GPU Variant
Antilles XT (215-0807027)
GCN 1.0
Architecture
TeraScale 3
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
2.64 billion
352 mm²
Die Size
389 mm²

Graphics Features

12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0

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