Radeon HD 6790 vs Radeon RX 560D
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 4GB VRAM Radeon RX 560D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6790 Advantages
Larger VRAM bandwidth (134.4GB/s vs 96.00GB/s)
Radeon RX 560D Advantages
Released 6 years and 3 months late
Boost Clock1175MHz
More VRAM (4GB vs 1024GB)
96 additional rendering cores
Lower TDP (65W vs 150W)
Score
Benchmark
FP32 (float)
Radeon HD 6790
1344
Radeon RX 560D
+56%
2106
Graphics Card
Apr 2011
Release Date
Jul 2017
Northern Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1090 MHz
-
Boost Clock
1175 MHz
1050 MHz
Memory Clock
1500 MHz
Memory
1024MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
134.4GB/s
Bandwidth
96.00GB/s
Render Config
10
Compute Units
14
800
Shading Units
896
40
TMUs
56
16
ROPs
16
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
Theoretical Performance
13.44 GPixel/s
Pixel Rate
18.80 GPixel/s
33.60 GTexel/s
Texture Rate
65.80 GTexel/s
-
FP16 (half)
2.106 TFLOPS
1344 GFLOPS
FP32 (float)
2.106 TFLOPS
-
FP64 (double)
131.6 GFLOPS
Board Design
150W
TDP
65W
450 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x HDMI 1.3a
1x DisplayPort 1.1
Outputs
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
1x HDMI 2.0b
1x DisplayPort 1.4a
2x 6-pin
Power Connectors
None
Graphics Processor
Barts
GPU Name
Polaris 21
Barts LE
(215-0798002)
(215-0798002)
GPU Variant
Polaris 21 XL
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
1.7 billion
Transistors
3 billion
255 mm²
Die Size
123 mm²
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
5.0
Shader Model
6.4
