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GPU Comparison
ATI Radeon HD 4650 vs NVIDIA GeForce GTX 780 Rev. 2
ATI Radeon HD 4650 vs NVIDIA GeForce GTX 780 Rev. 2
VS
ATI Radeon HD 4650
NVIDIA GeForce GTX 780 Rev. 2
We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 4650 and 3GB VRAM GeForce GTX 780 Rev. 2 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)
NVIDIA GeForce GTX 780 Rev. 2 's Advantages
Released 5 years late
Boost Clock902MHz
Larger VRAM bandwidth (288.4GB/s vs 22.40GB/s)
1984 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4650
0.384 TFLOPS
GeForce GTX 780 Rev. 2
+982%
4.156 TFLOPS
Radeon HD 4650
VS
GeForce GTX 780 Rev. 2
Graphics Card
Sep 2008
Release Date
Sep 2013
Radeon R700
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
863 MHz
-
Boost Clock
902 MHz
700 MHz
Memory Clock
1502 MHz
Memory
256MB
Memory Size
3GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
384bit
22.40GB/s
Bandwidth
288.4GB/s
Render Config
-
SM Count
-
4
Compute Units
-
320
Shading Units
2304
32
TMUs
192
8
ROPs
48
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
1536 KB
Theoretical Performance
4.800 GPixel/s
Pixel Rate
43.30 GPixel/s
19.20 GTexel/s
Texture Rate
173.2 GTexel/s
-
FP16 (half)
-
384.0 GFLOPS
FP32 (float)
4.156 TFLOPS
-
FP64 (double)
173.2 GFLOPS
Graphics Processor
RV730
GPU Name
GK110B
RV730 PRO (215-0719056)
GPU Variant
GK110-300-B1
TeraScale
Architecture
Kepler
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.514 billion
Transistors
7.08 billion
146 mm²
Die Size
561 mm²
Board Design
48W
TDP
250W
200 W
Suggested PSU
600 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
-
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
10.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.5
4.1
Shader Model
5.1
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