AMD Radeon HD 7950 vs NVIDIA Quadro M6000 Comparison

Head-to-Head Benchmarks

The benchmark data shows a decisive performance gap between the NVIDIA Quadro M6000 and the AMD Radeon HD 7950, though direct comparison is limited by the different test suites each card supports. The Quadro M6000 has an average benchmark score of 43301, while the HD 7950 averages 33951. That is a difference of 9350 points, or roughly 28% higher for the NVIDIA card.

Looking at specific workloads, the Quadro M6000 posts 39688 in Geekbench OpenCL and 46913 in Geekbench Vulkan. The Radeon HD 7950 has only one recorded benchmark, a Geekbench Metal score of 33951, so the cross-platform comparison is not apples-to-apples. Still, the overall average tells the story: the Quadro M6000 sits at the 84th percentile of all GPUs in the database, while the HD 7950 sits at the 78th percentile. That six-point gap in percentile ranking reflects a meaningful difference in raw compute capability.

Contextualizing the Quadro M6000 further, its average score of 43301 places it within a hair of the GeForce RTX 5050 Mobile (43268, 0.1% slower), the Quadro M6000 24 GB (43262, 0.1% slower), and the GeForce RTX 4070 SUPER (43223, 0.2% slower). It even edges out the RTX 4090 Mobile, which scores 43667 but at a 0.8% delta, meaning the M6000 is faster. The HD 7950, by contrast, is flanked by the Radeon RX 480 (33997, 0.1% faster), the Radeon RX 7700S (33849, 0.3% slower), the Radeon RX 560 XT (34133, 0.5% faster), and the RTX A2000 12 GB (34154, 0.6% faster). The HD 7950 is essentially tied with these modern midrange parts, while the M6000 trades blows with high-end RTX 40-series mobile and desktop chips.

The data shows no shared benchmark between the two cards, so the head-to-head is defined by aggregate scores. The Quadro M6000 is clearly the stronger performer, with a 28% higher average in the database. The Radeon HD 7950 does have one advantage: it is a much older design, yet it still hangs within striking distance of cards like the RX 480 and RTX A2000, which are several generations newer.

Architecture Differences

The Quadro M6000 is built on NVIDIA's Maxwell 2.0 architecture, using the GM200 chip, fabricated on a 28 nm process at TSMC. The die is 601 mm² and packs 8,000 million transistors, giving it a transistor density of 13.3 million per square millimeter. The Radeon HD 7950 uses AMD's GCN 1.0 architecture, with the Tahiti chip, also on 28 nm at TSMC, but with a smaller die: 352 mm² and 4,313 million transistors, for a density of 12.3 million per square millimeter. The Quadro's die is 71% larger by area, which explains much of its performance lead.

In terms of compute resources, the Quadro M6000 has 3072 shading units, 192 texture mapping units, and 96 ROPs. The Radeon HD 7950 has 1792 shading units, 112 TMUs, and 32 ROPs. That means the Quadro has 71% more shading units, 71% more TMUs, and 3x the ROP count. To put it in concrete terms, the Quadro delivers 106.9 GPixel/s pixel rate and 213.9 GTexel/s texture rate, while the HD 7950 manages 25.60 GPixel/s and 89.60 GTexel/s. The Quadro is over 4x faster at pixel fill and roughly 2.4x faster at texture fill.

Clock speeds differ as well. The Quadro M6000 runs at a base of 988 MHz with a boost of 1114 MHz, while the HD 7950's clocks are not recorded in the database. The Quadro's memory operates at 1653 MHz, translating to 6.6 Gbps effective, while the HD 7950's memory runs at 1250 MHz, or 5 Gbps effective. The Quadro has 12 GB of GDDR5 on a 384-bit bus, yielding 317.4 GB/s of bandwidth. The HD 7950 has 3 GB of GDDR5 on the same 384-bit bus, but only 240.0 GB/s. The Quadro has 4x the capacity and about 32% more bandwidth.

The feature sets differ meaningfully. The Quadro supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4. The HD 7950 supports DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170. The Quadro's newer Vulkan implementation and higher DirectX feature level reflect its later release. The Quadro also has a different display output setup: 1x DVI and 4x DisplayPort 1.2, whereas the HD 7950 has 1x DVI, 1x HDMI 1.4a, and 2x mini-DisplayPort 1.2.

Power and physical specifications also differ. The Quadro M6000 has a TDP of 250 W, requires a 600 W PSU, and uses a single 8-pin power connector. The HD 7950 has a TDP of 200 W, requires a 550 W PSU, and uses two 6-pin connectors. Both are dual-slot cards. In terms of dimensions, the Quadro is 267 mm long (10.5 inches) and 111 mm tall (4.4 inches), while the HD 7950 is 278 mm long (10.9 inches) and 111 mm tall, but with a 38 mm width (1.5 inches) that the Quadro does not list. The Quadro is shorter but possibly thinner.

The Verdict

The data points to a clear recommendation: the NVIDIA Quadro M6000 is the stronger card. It delivers a 28% higher average benchmark score, sits at the 84th percentile versus the HD 7950's 78th, and has vastly superior raw compute specifications. It also has 4x the memory, higher bandwidth, and a more modern feature set in Vulkan and DirectX. If you need maximum compute density for professional workloads, the Quadro wins on every measurable axis.

The AMD Radeon HD 7950, meanwhile, is a different kind of card. It is an older generation, but its average score of 33951 puts it within 1% of the RX 480 and RX 7700S, meaning it can still hold its own in basic workloads. However, its 3 GB memory is a hard limit for modern applications. The Quadro's 12 GB is not just a capacity advantage; it allows much larger data sets to stay resident in VRAM.

Specification Differences

• Chip: GM200 (Maxwell 2.0) vs. Tahiti (GCN 1.0)
• Transistors: 8,000 million vs. 4,313 million
• Die Size: 601 mm² vs. 352 mm²
• Transistor Density: 13.3M/mm² vs. 12.3M/mm²
• Base Clock: 988 MHz vs. not recorded
• Boost Clock: 1114 MHz vs. not recorded
• Memory Clock: 1653 MHz / 6.6 Gbps effective vs. 1250 MHz / 5 Gbps effective
• Memory Size: 12 GB vs. 3 GB
• Memory Bandwidth: 317.4 GB/s vs. 240.0 GB/s
• Shading Units: 3072 vs. 1792
• TMUs: 192 vs. 112
• ROPs: 96 vs. 32
• Pixel Rate: 106.9 GPixel/s vs. 25.60 GPixel/s
• Texture Rate: 213.9 GTexel/s vs. 89.60 GTexel/s
• FP32: 6.844 TFLOPS vs. 2.867 TFLOPS
• TDP: 250 W vs. 200 W
• Power Connectors: 1x 8-pin vs. 2x 6-pin
• Suggested PSU: 600 W vs. 550 W
• Display Outputs: 1x DVI, 4x DisplayPort 1.2 vs. 1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2
• DirectX: 12 (12_1) vs. 12 (11_1)
• Vulkan: 1.4 vs. 1.2.170
• Dimensions: 267 mm x 111 mm vs. 278 mm x 111 mm x 38 mm

FAQ

Q: Which card has a higher average benchmark score?

A: The NVIDIA Quadro M6000, with an average score of 43301, compared to the AMD Radeon HD 7950's 33951. That is a 28% lead.

Q: What is the memory capacity difference?

A: The Quadro M6000 has 12 GB of GDDR5, while the Radeon HD 7950 has 3 GB of GDDR5. The Quadro also has higher bandwidth: 317.4 GB/s vs. 240.0 GB/s.

Q: Which card is more power-hungry?

A: The Quadro M6000 has a TDP of 250 W and requires a 600 W PSU, while the Radeon HD 7950 has a TDP of 200 W and requires a 550 W PSU.

Q: Does the Radeon HD 7950 support Vulkan?

A: Yes, it supports Vulkan 1.2.170. The Quadro M6000 supports Vulkan 1.4, which is a newer version.

Q: How does the Quadro M6000 compare to its nearest rival?

A: The Quadro M6000 is within 0.1% of the GeForce RTX 5050 Mobile and 0.2% of the GeForce RTX 4070 SUPER, and it is 0.8% faster than the GeForce RTX 4090 Mobile.

Q: How does the Radeon HD 7950 compare to modern cards?

A: The HD 7950 is essentially tied with the Radeon RX 480 (0.1% faster), the Radeon RX 7700S (0.3% slower), and the Radeon RX 560 XT (0.5% slower), based on average scores.

Where Each One Wins

The NVIDIA Quadro M6000 wins in every recorded performance category. It has higher shading unit and TMU counts, three times the ROPs, more than double the FP32 throughput (6.844 TFLOPS vs. 2.867 TFLOPS), and over 4x the pixel fill rate. Its 12 GB memory allows working with larger scene complexities, and its higher memory bandwidth reduces bottlenecks in heavy bandwidth applications. The Vulkan 1.4 support also makes it more future-proof for modern APIs.

The AMD Radeon HD 7950 wins in power efficiency in absolute terms: it draws 50 W less (200 W vs. 250 W) and requires a lower PSU rating (550 W vs. 600 W). If you are building a system with a limited power budget, the HD 7950 is the more economical choice. It also has a wider physical profile (38 mm thick), which may require more case clearance. The HD 7950 supports HDMI 1.4a natively, whereas the Quadro does not list an HDMI output; if HDMI is a requirement, the AMD card is the simpler fit.

For compute workloads, go with the Quadro M6000. The data shows a 28% average score advantage and a 99th vs. 78th percentile standing. For legacy compatibility or low-power builds, the Radeon HD 7950 remains serviceable, but its 3 GB frame buffer and lower fill rates make it a poor choice for modern high-end workloads. The verdict is straightforward: the Quadro M6000 is the superior card in nearly every measurable way, and the only real reason to pick the HD 7950 is if you specifically need its lower power draw or HDMI output.