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GPU Comparison
AMD Radeon HD 6850 vs ATI Radeon HD 4750
AMD Radeon HD 6850 vs ATI Radeon HD 4750
VS
AMD Radeon HD 6850
ATI Radeon HD 4750
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 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 's Advantages
Released 1 years and 1 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (128.0GB/s vs 51.20GB/s)
320 additional rendering cores
ATI Radeon HD 4750 's Advantages
Lower TDP (100W vs 127W)
Score
Benchmark
FP32 (float)
Radeon HD 6850
+59%
1.488 TFLOPS
Radeon HD 4750
0.934 TFLOPS
Radeon HD 6850
VS
Radeon HD 4750
Graphics Card
Oct 2010
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
-
1000 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
128.0GB/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
24.80 GPixel/s
Pixel Rate
11.68 GPixel/s
37.20 GTexel/s
Texture Rate
23.36 GTexel/s
-
FP16 (half)
-
1488 GFLOPS
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
127W
TDP
100W
300 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
2x DVI 1x S-Video
1x 6-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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