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GPU Comparison
AMD Radeon HD 7790 vs ATI Radeon HD 4700
AMD Radeon HD 7790 vs ATI Radeon HD 4700
VS
AMD Radeon HD 7790
ATI Radeon HD 4700
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 512MB VRAM Radeon HD 4700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7790 's Advantages
Released 3 years and 1 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (96.00GB/s vs 12.80GB/s)
576 additional rendering cores
ATI Radeon HD 4700 's Advantages
Lower TDP (50W vs 85W)
Score
Benchmark
FP32 (float)
Radeon HD 7790
+366%
1.792 TFLOPS
Radeon HD 4700
0.384 TFLOPS
Radeon HD 7790
VS
Radeon HD 4700
Graphics Card
Mar 2013
Release Date
Feb 2010
Southern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1500 MHz
Memory Clock
400 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
128bit
96.00GB/s
Bandwidth
12.80GB/s
Render Config
14
Compute Units
4
-
-
-
896
Shading Units
320
56
TMUs
32
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
16.00 GPixel/s
Pixel Rate
4.800 GPixel/s
56.00 GTexel/s
Texture Rate
19.20 GTexel/s
-
-
-
1.792 TFLOPS
FP32 (float)
384.0 GFLOPS
112.0 GFLOPS
FP64 (double)
-
Board Design
85W
TDP
50W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
-
Graphics Processor
Bonaire
GPU Name
RV730
Bonaire XT (215-0839039)
GPU Variant
RV730 CE
GCN 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.08 billion
Transistors
0.514 billion
160 mm²
Die Size
146 mm²
Graphics Features
12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
-
-
6.3
Shader Model
4.1
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