NVIDIA GeForce GTX 970 vs AMD Radeon HD 6450
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 970 's Advantages
Released 3 years and 5 months late
Boost Clock1178MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (224.4GB/s vs 25.60GB/s)
1504 additional rendering cores
AMD Radeon HD 6450 's Advantages
Lower TDP (18W vs 148W)
Score
Benchmark
FP32 (float)
GeForce GTX 970
+1860%
3.92 TFLOPS
Radeon HD 6450
0.2 TFLOPS
Graphics Card
Sep 2014
Release Date
Apr 2011
GeForce 900
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1050 MHz
Base Clock
-
1178 MHz
Boost Clock
-
1753 MHz
Memory Clock
800 MHz
Memory
4GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
224.4GB/s
Bandwidth
25.60GB/s
Render Config
-
Compute Units
2
-
-
-
1664
Shading Units
160
104
TMUs
8
56
ROPs
4
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
128 KB
-
-
-
Theoretical Performance
65.97 GPixel/s
Pixel Rate
2.500 GPixel/s
122.5 GTexel/s
Texture Rate
5.000 GTexel/s
-
-
-
3.920 TFLOPS
FP32 (float)
200.0 GFLOPS
122.5 GFLOPS
FP64 (double)
-
Board Design
148W
TDP
18W
300 W
Suggested PSU
200 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
2x 6-pin
Power Connectors
None
Graphics Processor
GM204
GPU Name
Caicos
GM204-200-A1
GPU Variant
Caicos PRO
Maxwell 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5.2 billion
Transistors
0.37 billion
398 mm²
Die Size
67 mm²
Graphics Features
12 (12_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
5.2
CUDA
-
6.4
Shader Model
5.0
