Home GPU Comparison AMD Radeon HD 6850 1440SP Edition vs AMD Radeon RX 580X

AMD Radeon HD 6850 1440SP Edition vs AMD Radeon RX 580X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition and 8GB VRAM Radeon RX 580X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 1440SP Edition 's Advantages
Lower TDP (151W vs 185W)
AMD Radeon RX 580X 's Advantages
Released 5 years and 8 months late
Boost Clock1340MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 128.0GB/s)
864 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6850 1440SP Edition
2.088 TFLOPS
Radeon RX 580X +195%
6.175 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Apr 2018
Northern Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1257 MHz
-
Boost Clock
1340 MHz
1000 MHz
Memory Clock
2000 MHz

Memory

1024MB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
128.0GB/s
Bandwidth
256.0GB/s

Render Config

18
Compute Units
36
-
-
-
1440
Shading Units
2304
72
TMUs
144
32
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

23.20 GPixel/s
Pixel Rate
42.88 GPixel/s
52.20 GTexel/s
Texture Rate
193.0 GTexel/s
-
FP16 (half)
6.175 TFLOPS
2.088 TFLOPS
FP32 (float)
6.175 TFLOPS
417.6 GFLOPS
FP64 (double)
385.9 GFLOPS

Board Design

151W
TDP
185W
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 8-pin

Graphics Processor

Cypress
GPU Name
Polaris 20
Cypress PRO (215-0735043)
GPU Variant
Polaris 20 XTX (215-0910038)
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
2.154 billion
Transistors
5.7 billion
334 mm²
Die Size
232 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

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