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GPU Comparison
AMD Radeon HD 7790 vs ATI Radeon HD 4870 X2
AMD Radeon HD 7790 vs ATI Radeon HD 4870 X2
VS
AMD Radeon HD 7790
ATI Radeon HD 4870 X2
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7790 's Advantages
Released 4 years and 7 months late
96 additional rendering cores
Lower TDP (85W vs 286W)
ATI Radeon HD 4870 X2 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 96.00GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 7790
+49%
1.792 TFLOPS
Radeon HD 4870 X2
1.2 TFLOPS
Radeon HD 7790
VS
Radeon HD 4870 X2
Graphics Card
Mar 2013
Release Date
Aug 2008
Southern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1500 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
96.00GB/s
Bandwidth
115.2GB/s
Render Config
14
Compute Units
10
-
-
-
896
Shading Units
800
56
TMUs
40
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
16.00 GPixel/s
Pixel Rate
12.00 GPixel/s
56.00 GTexel/s
Texture Rate
30.00 GTexel/s
-
-
-
1.792 TFLOPS
FP32 (float)
1200 GFLOPS
112.0 GFLOPS
FP64 (double)
240.0 GFLOPS
Board Design
85W
TDP
286W
250 W
Suggested PSU
600 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Bonaire
GPU Name
R700
Bonaire XT (215-0839039)
GPU Variant
R700 XT (215-0669045)
GCN 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.08 billion
Transistors
0.956 billion
160 mm²
Die Size
256 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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