AMD Radeon HD 7990 vs AMD Radeon RX 7900 GRE
GPU Specs Compare
Graphics Card
Release Date
Apr 2013
Jul 2023
Generation
Southern Islands
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
950 MHz
1287 MHz
Boost Clock
1000 MHz
2245 MHz
Memory Clock
1500 MHz
2250 MHz
Memory
Memory Size
3GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
256bit
Bandwidth
288.0GB/s
576.0GB/s
Render Config
Compute Units
32
80
Shading Units
2048
5120
TMUs
128
320
ROPs
32
160
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
768 KB
6 MB
RT Cores
-
80
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
359.2 GPixel/s
Texture Rate
128.0 GTexel/s
718.4 GTexel/s
FP32 (float)
4.096 TFLOPS
45.98 TFLOPS
FP64 (double)
1024 GFLOPS
1436.8 GFLOPS
FP16 (half)
-
91.96 TFLOPS
Graphics Processor
GPU Name
Malta
Navi 31
GPU Variant
Malta XT(215-0849026)
Navi 31 XL(215-145000206)
Architecture
GCN 1.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
4.313 billion
57.7 billion
Die Size
365 mm²
529 mm²
Board Design
TDP
375W
260W
Suggested PSU
750 W
600 W
Outputs
1x DVI4x mini-DisplayPort 1.2
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.3
Shader Model
5.1
6.8
📊 Benchmark
3DMark Time Spy
-
22,476
3DMark Time Spy Extreme
-
10,591
3DMark Speed Way
-
4,417
Cyberpunk 2077 2160p
-
40
Cyberpunk 2077 1440p
-
88
Blender
-
3,114
Cyberpunk 2077 1080p
-
130