NVIDIA RTX PRO 4000 Blackwell SFF vs NVIDIA GeForce GTX 970
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Sep 2014
Generation
Blackwell PRO W
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
577 MHz
1050 MHz
Boost Clock
1432 MHz
1178 MHz
Memory Clock
1125 MHz
1753 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
224.4GB/s
Render Config
SM Count
70
—
Shading Units
8960
1664
TMUs
280
104
ROPs
96
56
Tensor Cores
280
—
RT Cores
70
—
L1 Cache
128 KB (per SM)
48 KB (per SMM)
L2 Cache
48 MB
2 MB
Theoretical Performance
Pixel Rate
137.5 GPixel/s
65.97 GPixel/s
Texture Rate
401.0 GTexel/s
122.5 GTexel/s
FP16 (half)
25.66 TFLOPS
—
FP32 (float)
25.66 TFLOPS
3.920 TFLOPS
FP64 (double)
401.0 GFLOPS
122.5 GFLOPS
Graphics Processor
GPU Name
GB203
GM204
Architecture
Blackwell 2.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
5.2 billion
Die Size
378 mm²
398 mm²
GPU Variant
—
GM204-200-A1
Board Design
TDP
70W
148W
Suggested PSU
250 W
300 W
Outputs
4x mini-DisplayPort 2.1b
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
None
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
12.0
5.2
Shader Model
6.8
6.4
Benchmark
3DMark Time Spy
—
3,646
3DMark Time Spy Extreme
—
1,683
OctaneBench
—
77
Shadow of the Tomb Raider 2160p
—
15
Shadow of the Tomb Raider 1440p
—
30
Shadow of the Tomb Raider 1080p
—
40
Blender
—
305
▲ Specs Compare
Data sourced from official specifications and benchmark tests.