Home GPU Comparison AMD Radeon HD 7790 vs AMD Radeon RX 580 OEM

AMD Radeon HD 7790 vs AMD Radeon RX 580 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 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 HD 7790 's Advantages
Lower TDP (85W vs 150W)
AMD Radeon RX 580 OEM 's Advantages
Released 3 years and 3 months late
Boost Clock1266MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)
1408 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7790
1.792 TFLOPS
Radeon RX 580 OEM +225%
5.834 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Jun 2016
Southern Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1120 MHz
-
Boost Clock
1266 MHz
1500 MHz
Memory Clock
2000 MHz

Memory

1024MB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
96.00GB/s
Bandwidth
256.0GB/s

Render Config

14
Compute Units
36
-
-
-
896
Shading Units
2304
56
TMUs
144
16
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

16.00 GPixel/s
Pixel Rate
40.51 GPixel/s
56.00 GTexel/s
Texture Rate
182.3 GTexel/s
-
FP16 (half)
5.834 TFLOPS
1.792 TFLOPS
FP32 (float)
5.834 TFLOPS
112.0 GFLOPS
FP64 (double)
364.6 GFLOPS

Board Design

85W
TDP
150W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x HDMI 2.0b 3x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

Bonaire
GPU Name
Ellesmere
Bonaire XT (215-0839039)
GPU Variant
Polaris 10 XT (215-0876184)
GCN 2.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
2.08 billion
Transistors
5.7 billion
160 mm²
Die Size
232 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.0
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
6.3
Shader Model
6.4

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