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GPU Comparison
AMD Radeon HD 6790 vs AMD Radeon RX 580 OEM
AMD Radeon HD 6790 vs AMD Radeon RX 580 OEM
VS
AMD Radeon HD 6790
AMD Radeon RX 580 OEM
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 8GB VRAM Radeon RX 580 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 580 OEM 's Advantages
Released 5 years and 2 months late
Boost Clock1266MHz
More VRAM (8GB vs 1GB)
Larger VRAM bandwidth (256.0GB/s vs 134.4GB/s)
1504 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6790
1.344 TFLOPS
Radeon RX 580 OEM
+334%
5.834 TFLOPS
Radeon HD 6790
VS
Radeon RX 580 OEM
Graphics Card
Apr 2011
Release Date
Jun 2016
Northern Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1120 MHz
-
Boost Clock
1266 MHz
1050 MHz
Memory Clock
2000 MHz
Memory
1024MB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
256.0GB/s
Render Config
-
SM Count
-
10
Compute Units
36
800
Shading Units
2304
40
TMUs
144
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
2 MB
Theoretical Performance
13.44 GPixel/s
Pixel Rate
40.51 GPixel/s
33.60 GTexel/s
Texture Rate
182.3 GTexel/s
-
FP16 (half)
5.834 TFLOPS
1344 GFLOPS
FP32 (float)
5.834 TFLOPS
-
FP64 (double)
364.6 GFLOPS
Graphics Processor
Barts
GPU Name
Ellesmere
Barts LE (215-0798002)
GPU Variant
Polaris 10 XT (215-0876184)
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
1.7 billion
Transistors
5.7 billion
255 mm²
Die Size
232 mm²
Board Design
150W
TDP
150W
450 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x HDMI 2.0b 3x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 6-pin
Graphics Features
11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
6.4
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