GeForce GTX 970 vs Radeon HD 3650
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 256MB VRAM Radeon HD 3650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 970 Advantages
Released 6 years and 8 months late
Boost Clock1178MHz
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (224.4GB/s vs 25.60GB/s)
1544 additional rendering cores
Radeon HD 3650 Advantages
Lower TDP (65W vs 148W)
Score
Benchmark
FP32 (float)
GeForce GTX 970
+2152%
3920
Radeon HD 3650
174
Graphics Card
Sep 2014
Release Date
Jan 2008
GeForce 900
Generation
Radeon R600
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
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
224.4GB/s
Bandwidth
25.60GB/s
Render Config
-
Compute Units
3
1664
Shading Units
120
104
TMUs
8
56
ROPs
4
48 KB (per SMM)
L1 Cache
-
2 MB
L2 Cache
128 KB
Theoretical Performance
65.97 GPixel/s
Pixel Rate
2.900 GPixel/s
122.5 GTexel/s
Texture Rate
5.800 GTexel/s
3.920 TFLOPS
FP32 (float)
174.0 GFLOPS
122.5 GFLOPS
FP64 (double)
-
Board Design
148W
TDP
65W
300 W
Suggested PSU
250 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
1x S-Video
2x 6-pin
Power Connectors
None
Graphics Processor
GM204
GPU Name
RV635
GM204-200-A1
GPU Variant
RV635 PRO
(215-0682008)
(215-0682008)
Maxwell 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
5.2 billion
Transistors
0.378 billion
398 mm²
Die Size
135 mm²
Graphics Features
12 (12_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.3
Vulkan
N/A
5.2
CUDA
-
6.4
Shader Model
4.1