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GPU Comparison
ATI Radeon HD 4730 vs AMD Radeon HD 6870 X2
ATI Radeon HD 4730 vs AMD Radeon HD 6870 X2
VS
ATI Radeon HD 4730
AMD Radeon HD 6870 X2
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4730 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4730 's Advantages
Lower TDP (110W vs 300W)
AMD Radeon HD 6870 X2 's Advantages
Released 2 years and 1 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (134.4GB/s vs 57.60GB/s)
480 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4730
0.96 TFLOPS
Radeon HD 6870 X2
+110%
2.016 TFLOPS
Radeon HD 4730
VS
Radeon HD 6870 X2
Graphics Card
Jun 2009
Release Date
Jul 2011
Radeon R700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
1050 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
57.60GB/s
Bandwidth
134.4GB/s
Render Config
-
SM Count
-
8
Compute Units
14
640
Shading Units
1120
32
TMUs
56
8
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
6.000 GPixel/s
Pixel Rate
28.80 GPixel/s
24.00 GTexel/s
Texture Rate
50.40 GTexel/s
-
FP16 (half)
-
960.0 GFLOPS
FP32 (float)
2.016 TFLOPS
192.0 GFLOPS
FP64 (double)
-
Graphics Processor
RV770
GPU Name
Barts
RV770 CE (215-0669093)
GPU Variant
Barts XT (215-0798000)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
1.7 billion
256 mm²
Die Size
255 mm²
Board Design
110W
TDP
300W
300 W
Suggested PSU
700 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
1x 6-pin
Power Connectors
-
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
4.1
Shader Model
5.0
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