Radeon RX 5700 XT vs GeForce GTX 645 OEM
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 5700 XT and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 5700 XT 's Advantages
Released 6 years and 3 months late
Boost Clock1905MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (448.0GB/s vs 64.00GB/s)
1984 additional rendering cores
GeForce GTX 645 OEM 's Advantages
Lower TDP (65W vs 225W)
Score
Benchmark
FP32 (float)
Radeon RX 5700 XT
+927%
9754
GeForce GTX 645 OEM
949
Graphics Card
Jul 2019
Release Date
Apr 2013
Navi
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1605 MHz
Base Clock
-
1905 MHz
Boost Clock
-
1750 MHz
Memory Clock
1000 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
128bit
448.0GB/s
Bandwidth
64.00GB/s
Render Config
40
Compute Units
-
2560
Shading Units
576
160
TMUs
48
64
ROPs
16
-
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
256 KB
Theoretical Performance
121.9 GPixel/s
Pixel Rate
9.888 GPixel/s
304.8 GTexel/s
Texture Rate
39.55 GTexel/s
19.51 TFLOPS
FP16 (half)
-
9.754 TFLOPS
FP32 (float)
949.2 GFLOPS
609.6 GFLOPS
FP64 (double)
39.55 GFLOPS
Board Design
225W
TDP
65W
550 W
Suggested PSU
250 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Navi 10
GPU Name
GK106
Navi 10 XT
(215-0917210)
GPU Variant
GK106-200-A1
RDNA 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
10.3 billion
Transistors
2.54 billion
251 mm²
Die Size
221 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.1
-
CUDA
3.0
6.5
Shader Model
5.1