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GPU Comparison
ATI Radeon HD 4650 vs ATI Radeon HD 4850 X2
ATI Radeon HD 4650 vs ATI Radeon HD 4850 X2
VS
ATI Radeon HD 4650
ATI Radeon HD 4850 X2
We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 4650 and 512MB VRAM Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4650 's Advantages
Lower TDP (48W vs 250W)
ATI Radeon HD 4850 X2 's Advantages
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (63.68GB/s vs 22.40GB/s)
480 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4650
0.384 TFLOPS
Radeon HD 4850 X2
+160%
1 TFLOPS
Radeon HD 4650
VS
Radeon HD 4850 X2
Graphics Card
Sep 2008
Release Date
Nov 2008
Radeon R700
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
700 MHz
Memory Clock
995 MHz
Memory
256MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
128bit
Memory Bus
256bit
22.40GB/s
Bandwidth
63.68GB/s
Render Config
-
SM Count
-
4
Compute Units
10
320
Shading Units
800
32
TMUs
40
8
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
4.800 GPixel/s
Pixel Rate
10.00 GPixel/s
19.20 GTexel/s
Texture Rate
25.00 GTexel/s
-
FP16 (half)
-
384.0 GFLOPS
FP32 (float)
1000 GFLOPS
-
FP64 (double)
200.0 GFLOPS
Graphics Processor
RV730
GPU Name
R700
RV730 PRO (215-0719056)
GPU Variant
R700 PRO (215-0669065)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.514 billion
Transistors
0.956 billion
146 mm²
Die Size
256 mm²
Board Design
48W
TDP
250W
200 W
Suggested PSU
600 W
2x DVI 1x S-Video
Outputs
4x DVI 1x S-Video
-
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
10.1 (10_1)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
-
4.1
Shader Model
4.1
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