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GPU Comparison
ATI Radeon HD 4670 X2 vs AMD Radeon HD 8740 OEM
ATI Radeon HD 4670 X2 vs AMD Radeon HD 8740 OEM
VS
ATI Radeon HD 4670 X2
AMD Radeon HD 8740 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 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 8740 OEM 's Advantages
Released 5 years late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (72.00GB/s vs 22.40GB/s)
192 additional rendering cores
Lower TDP (55W vs 118W)
Score
Benchmark
FP32 (float)
Radeon HD 4670 X2
0.48 TFLOPS
Radeon HD 8740 OEM
+70%
0.819 TFLOPS
Radeon HD 4670 X2
VS
Radeon HD 8740 OEM
Graphics Card
Sep 2008
Release Date
Sep 2013
Radeon R700
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
700 MHz
Memory Clock
1125 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
22.40GB/s
Bandwidth
72.00GB/s
Render Config
4
Compute Units
8
-
-
-
320
Shading Units
512
32
TMUs
32
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
6.000 GPixel/s
Pixel Rate
12.80 GPixel/s
24.00 GTexel/s
Texture Rate
25.60 GTexel/s
-
-
-
480.0 GFLOPS
FP32 (float)
819.2 GFLOPS
-
FP64 (double)
51.20 GFLOPS
Board Design
118W
TDP
55W
300 W
Suggested PSU
250 W
4x DVI
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin
Power Connectors
None
Graphics Processor
RV730
GPU Name
Cape Verde
RV730 XT (215-0719047)
GPU Variant
Cape Verde PRO
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.514 billion
Transistors
1.5 billion
146 mm²
Die Size
123 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
4.1
Shader Model
5.1
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