Home GPU Comparison AMD Radeon R9 Nano vs AMD Radeon HD 6970

AMD Radeon R9 Nano vs AMD Radeon HD 6970

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 Nano 's Advantages
Released 4 years and 8 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 176.0GB/s)
2560 additional rendering cores
Lower TDP (175W vs 250W)

Score

Benchmark

FP32 (float)
Radeon R9 Nano +203%
8.192 TFLOPS
Radeon HD 6970
2.703 TFLOPS
VS

Graphics Card

Aug 2015
Release Date
Dec 2010
Pirate Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
500 MHz
Memory Clock
1375 MHz

Memory

4GB
Memory Size
2GB
HBM
Memory Type
GDDR5
4096bit
Memory Bus
256bit
512.0GB/s
Bandwidth
176.0GB/s

Render Config

-
SM Count
-
64
Compute Units
24
4096
Shading Units
1536
256
TMUs
96
64
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
512 KB

Theoretical Performance

64.00 GPixel/s
Pixel Rate
28.16 GPixel/s
256.0 GTexel/s
Texture Rate
84.48 GTexel/s
8.192 TFLOPS
FP16 (half)
-
8.192 TFLOPS
FP32 (float)
2.703 TFLOPS
512.0 GFLOPS
FP64 (double)
675.8 GFLOPS

Graphics Processor

Fiji
GPU Name
Cayman
Fiji XT CA (215-0862120)
GPU Variant
Cayman XT (215-0807007)
GCN 3.0
Architecture
TeraScale 3
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
8.9 billion
Transistors
2.64 billion
596 mm²
Die Size
389 mm²

Board Design

175W
TDP
250W
450 W
Suggested PSU
600 W
1x HDMI 1.4a 3x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Features

12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.0
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
6.3
Shader Model
5.0

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