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GPU Comparison
ATI Radeon HD 4650 vs ATI Radeon HD 4770
ATI Radeon HD 4650 vs ATI Radeon HD 4770
VS
ATI Radeon HD 4650
ATI Radeon HD 4770
We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 4650 and 512MB VRAM Radeon HD 4770 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 80W)
ATI Radeon HD 4770 's Advantages
Released 7 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (51.20GB/s vs 22.40GB/s)
320 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4650
0.384 TFLOPS
Radeon HD 4770
+150%
0.96 TFLOPS
Radeon HD 4650
VS
Radeon HD 4770
Graphics Card
Sep 2008
Release Date
Apr 2009
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
800 MHz
Memory
256MB
Memory Size
512MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
22.40GB/s
Bandwidth
51.20GB/s
Render Config
-
SM Count
-
4
Compute Units
8
320
Shading Units
640
32
TMUs
32
8
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
128 KB
Theoretical Performance
4.800 GPixel/s
Pixel Rate
12.00 GPixel/s
19.20 GTexel/s
Texture Rate
24.00 GTexel/s
-
FP16 (half)
-
384.0 GFLOPS
FP32 (float)
960.0 GFLOPS
-
FP64 (double)
192.0 GFLOPS
Graphics Processor
RV730
GPU Name
RV740
RV730 PRO (215-0719056)
GPU Variant
RV740 XT (215-0727019)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.514 billion
Transistors
0.826 billion
146 mm²
Die Size
137 mm²
Board Design
48W
TDP
80W
200 W
Suggested PSU
250 W
2x DVI 1x S-Video
Outputs
2x DVI 1x S-Video
-
Power Connectors
1x 6-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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