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

AMD Radeon HD 8740 OEM vs AMD Radeon HD 6970

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8740 OEM and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8740 OEM 's Advantages
Released 2 years and 9 months late
Lower TDP (55W vs 250W)
AMD Radeon HD 6970 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (176.0GB/s vs 72.00GB/s)
1024 additional rendering cores

Score

Benchmark

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

Graphics Card

Sep 2013
Release Date
Dec 2010
Sea Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

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

Memory

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

Render Config

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

Theoretical Performance

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

Board Design

55W
TDP
250W
250 W
Suggested PSU
600 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

Cape Verde
GPU Name
Cayman
Cape Verde PRO
GPU Variant
Cayman XT (215-0807007)
GCN 1.0
Architecture
TeraScale 3
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
2.64 billion
123 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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