Home GPU Comparison AMD Radeon HD 6970 X2 vs AMD Radeon HD 8740 OEM

AMD Radeon HD 6970 X2 vs AMD Radeon HD 8740 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 1024MB VRAM Radeon HD 8740 OEM 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 72.00GB/s)
1024 additional rendering cores
AMD Radeon HD 8740 OEM 's Advantages
Lower TDP (55W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 6970 X2 +230%
2.703 TFLOPS
Radeon HD 8740 OEM
0.819 TFLOPS
VS

Graphics Card

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

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
1125 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
72.00GB/s

Render Config

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

Theoretical Performance

28.16 GPixel/s
Pixel Rate
12.80 GPixel/s
84.48 GTexel/s
Texture Rate
25.60 GTexel/s
-
-
-
2.703 TFLOPS
FP32 (float)
819.2 GFLOPS
-
FP64 (double)
51.20 GFLOPS

Board Design

375W
TDP
55W
750 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
3x 8-pin
Power Connectors
None

Graphics Processor

Antilles
GPU Name
Cape Verde
Antilles XT (215-0807027)
GPU Variant
Cape Verde PRO
TeraScale 3
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.64 billion
Transistors
1.5 billion
389 mm²
Die Size
123 mm²

Graphics Features

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

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