AMD Radeon HD 7990 vs AMD Radeon RX 6850M XT
GPU Specs Compare
Graphics Card
Release Date
Apr 2013
Jan 2022
Generation
Southern Islands
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
950 MHz
2321 MHz
Boost Clock
1000 MHz
2581 MHz
Memory Clock
1500 MHz
2250 MHz
Memory
Memory Size
3GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
192bit
Bandwidth
288.0GB/s
432.0GB/s
Render Config
Compute Units
32
40
Shading Units
2048
2560
TMUs
128
160
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
3 MB
RT Cores
-
40
L3 Cache
-
96 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
165.2 GPixel/s
Texture Rate
128.0 GTexel/s
413.0 GTexel/s
FP32 (float)
4.096 TFLOPS
13.21 TFLOPS
FP64 (double)
1024 GFLOPS
825.9 GFLOPS
FP16 (half)
-
26.43 TFLOPS
Graphics Processor
GPU Name
Malta
Navi 22
GPU Variant
Malta XT(215-0849026)
Navi 22 XTM
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
17.2 billion
Die Size
365 mm²
335 mm²
Board Design
TDP
375W
165W
Suggested PSU
750 W
-
Outputs
1x DVI4x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.8