Home GPU Comparison AMD Radeon RX 460 vs AMD Radeon HD 6870 X2

AMD Radeon RX 460 vs AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 's Advantages
Released 5 years and 1 months late
Boost Clock1200MHz
More VRAM (2GB vs 1GB)
Lower TDP (75W vs 300W)
AMD Radeon HD 6870 X2 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 112.0GB/s)
224 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 460 +6%
2.15 TFLOPS
Radeon HD 6870 X2
2.016 TFLOPS
VS

Graphics Card

Aug 2016
Release Date
Jul 2011
Arctic Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

1090 MHz
Base Clock
-
1200 MHz
Boost Clock
-
1750 MHz
Memory Clock
1050 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
112.0GB/s
Bandwidth
134.4GB/s

Render Config

-
SM Count
-
14
Compute Units
14
896
Shading Units
1120
56
TMUs
56
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
512 KB

Theoretical Performance

19.20 GPixel/s
Pixel Rate
28.80 GPixel/s
67.20 GTexel/s
Texture Rate
50.40 GTexel/s
2.150 TFLOPS
FP16 (half)
-
2.150 TFLOPS
FP32 (float)
2.016 TFLOPS
134.4 GFLOPS
FP64 (double)
-

Graphics Processor

Baffin
GPU Name
Barts
Baffin PRO
GPU Variant
Barts XT (215-0798000)
GCN 4.0
Architecture
TeraScale 2
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
3 billion
Transistors
1.7 billion
123 mm²
Die Size
255 mm²

Board Design

75W
TDP
300W
250 W
Suggested PSU
700 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
None
Power Connectors
-

Graphics Features

12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
6.4
Shader Model
5.0

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