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GPU Comparison
ATI Radeon HD 4750 vs ATI Radeon HD 3850
ATI Radeon HD 4750 vs ATI Radeon HD 3850
VS
ATI Radeon HD 4750
ATI Radeon HD 3850
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4750 and 512MB VRAM Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4750 's Advantages
Released 1 years and 10 months late
320 additional rendering cores
ATI Radeon HD 3850 's Advantages
Larger VRAM bandwidth (53.12GB/s vs 51.20GB/s)
Lower TDP (75W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 4750
+118%
0.934 TFLOPS
Radeon HD 3850
0.428 TFLOPS
Radeon HD 4750
VS
Radeon HD 3850
Graphics Card
Sep 2009
Release Date
Nov 2007
Radeon R700
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
800 MHz
Memory Clock
830 MHz
Memory
512MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
256bit
51.20GB/s
Bandwidth
53.12GB/s
Render Config
8
Compute Units
4
-
-
-
640
Shading Units
320
32
TMUs
16
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
128 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
11.68 GPixel/s
Pixel Rate
10.69 GPixel/s
23.36 GTexel/s
Texture Rate
10.69 GTexel/s
-
-
-
934.4 GFLOPS
FP32 (float)
427.5 GFLOPS
186.9 GFLOPS
FP64 (double)
85.50 GFLOPS
Board Design
100W
TDP
75W
300 W
Suggested PSU
250 W
2x DVI 1x S-Video
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
RV740
GPU Name
RV670
RV740 PRO
GPU Variant
RV670 PRO (215-0708003)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.826 billion
Transistors
0.666 billion
137 mm²
Die Size
192 mm²
Graphics Features
10.1 (10_1)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3 (full) 4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
4.1
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