GeForce RTX 4080 vs Radeon HD 4890
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 's Advantages
Released 13 years and 5 months late
Boost Clock2505MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (716.8GB/s vs 124.8GB/s)
8928 additional rendering cores
Radeon HD 4890 's Advantages
Lower TDP (190W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+3483%
48740
Radeon HD 4890
1360
Graphics Card
Sep 2022
Release Date
Apr 2009
GeForce 40
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2205 MHz
Base Clock
-
2505 MHz
Boost Clock
-
1400 MHz
Memory Clock
975 MHz
Memory
16GB
Memory Size
1024MB
GDDR6X
Memory Type
GDDR5
256bit
Memory Bus
256bit
716.8GB/s
Bandwidth
124.8GB/s
Render Config
-
Compute Units
10
76
SM Count
-
9728
Shading Units
800
304
TMUs
40
112
ROPs
16
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
64 MB
L2 Cache
256 KB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
13.60 GPixel/s
761.5 GTexel/s
Texture Rate
34.00 GTexel/s
48.74 TFLOPS
FP16 (half)
-
48.74 TFLOPS
FP32 (float)
1360 GFLOPS
761.5 GFLOPS
FP64 (double)
272.0 GFLOPS
Board Design
320W
TDP
190W
700 W
Suggested PSU
450 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
1x 16-pin
Power Connectors
2x 6-pin
Graphics Processor
AD103
GPU Name
RV790
AD103-300-A1
GPU Variant
RV790 XT
(215-0758016)
Ada Lovelace
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
45.9 billion
Transistors
0.959 billion
379 mm²
Die Size
282 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
4.1
