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GPU Comparison
AMD Radeon HD 6850 X2 vs ATI Radeon HD 4750
AMD Radeon HD 6850 X2 vs ATI Radeon HD 4750
VS
AMD Radeon HD 6850 X2
ATI Radeon HD 4750
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 512MB VRAM Radeon HD 4750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6850 X2 's Advantages
Released 2 years late
Larger VRAM bandwidth (134.4GB/s vs 51.20GB/s)
320 additional rendering cores
ATI Radeon HD 4750 's Advantages
Lower TDP (100W vs 254W)
Score
Benchmark
FP32 (float)
Radeon HD 6850 X2
+64%
1.536 TFLOPS
Radeon HD 4750
0.934 TFLOPS
Radeon HD 6850 X2
VS
Radeon HD 4750
Graphics Card
Sep 2011
Release Date
Sep 2009
Northern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
134.4GB/s
Bandwidth
51.20GB/s
Render Config
-
SM Count
-
12
Compute Units
8
960
Shading Units
640
48
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
25.60 GPixel/s
Pixel Rate
11.68 GPixel/s
38.40 GTexel/s
Texture Rate
23.36 GTexel/s
-
FP16 (half)
-
1.536 TFLOPS
FP32 (float)
934.4 GFLOPS
-
FP64 (double)
186.9 GFLOPS
Graphics Processor
Barts
GPU Name
RV740
Barts PRO (215-0798006)
GPU Variant
RV740 PRO
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
0.826 billion
255 mm²
Die Size
137 mm²
Board Design
254W
TDP
100W
600 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
2x DVI 1x S-Video
2x 8-pin
Power Connectors
1x 6-pin
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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