Radeon RX 7900 XT vs Radeon RX 460
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 2GB VRAM Radeon RX 460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7900 XT 's Advantages
Released 6 years and 3 months late
Boost Clock has increased by 100% (2394MHz vs 1200MHz)
More VRAM (20GB vs 2GB)
Larger VRAM bandwidth (800.0GB/s vs 112.0GB/s)
4480 additional rendering cores
Radeon RX 460 's Advantages
Lower TDP (75W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XT
+2294%
51480
Radeon RX 460
2150
3DMark Time Spy
Radeon RX 7900 XT
+1429%
26829
Radeon RX 460
1754
3DMark Time Spy Extreme
Radeon RX 7900 XT
+1592%
13130
Radeon RX 460
776
Shadow of the Tomb Raider 2160p
Radeon RX 7900 XT
+3300%
102
Radeon RX 460
3
Shadow of the Tomb Raider 1440p
Radeon RX 7900 XT
+1608%
205
Radeon RX 460
12
Shadow of the Tomb Raider 1080p
Radeon RX 7900 XT
+1259%
299
Radeon RX 460
22
Graphics Card
Nov 2022
Release Date
Aug 2016
Navi III
Generation
Arctic Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
1387 MHz
Base Clock
1090 MHz
2394 MHz
Boost Clock
1200 MHz
2500 MHz
Memory Clock
1750 MHz
Memory
20GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
320bit
Memory Bus
128bit
800.0GB/s
Bandwidth
112.0GB/s
Render Config
84
Compute Units
14
5376
Shading Units
896
336
TMUs
56
192
ROPs
16
84
RT Cores
-
256 KB per Array
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
1024 KB
80 MB
L3 Cache
-
Theoretical Performance
459.6 GPixel/s
Pixel Rate
19.20 GPixel/s
804.4 GTexel/s
Texture Rate
67.20 GTexel/s
103.0 TFLOPS
FP16 (half)
2.150 TFLOPS
51.48 TFLOPS
FP32 (float)
2.150 TFLOPS
1.609 TFLOPS
FP64 (double)
134.4 GFLOPS
Board Design
300W
TDP
75W
700 W
Suggested PSU
250 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
Outputs
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
2x 8-pin
Power Connectors
None
Graphics Processor
Navi 31
GPU Name
Baffin
Navi 31 XT
(215-145000156)
GPU Variant
Baffin PRO
RDNA 3.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
5 nm
Process Size
14 nm
57.7 billion
Transistors
3 billion
529 mm²
Die Size
123 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.2
OpenCL
2.1
1.3
Vulkan
1.2
6.7
Shader Model
6.4
